From f8390684af0998e70be6381d419cd0ac436d8f2f Mon Sep 17 00:00:00 2001
From: zhenghaoyu <zhenghaoyu@superbgrace.com>
Date: Fri, 16 Aug 2024 21:43:21 +0800
Subject: [PATCH] =?UTF-8?q?1.=E7=94=9F=E6=88=90=E5=8C=85=E6=9D=A1=E7=A0=81?=
 =?UTF-8?q?=E8=BF=9B=E8=A1=8C=E5=93=88=E5=B8=8C=E5=80=BC=E7=9A=84=E8=BE=B9?=
 =?UTF-8?q?=E7=95=8C=E9=AA=8C=E8=AF=81?=
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

---
 .../org/springblade/common/utils/CommonUtil.java     | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/blade-biz-common/src/main/java/org/springblade/common/utils/CommonUtil.java b/blade-biz-common/src/main/java/org/springblade/common/utils/CommonUtil.java
index b8947397b..be0afab9b 100644
--- a/blade-biz-common/src/main/java/org/springblade/common/utils/CommonUtil.java
+++ b/blade-biz-common/src/main/java/org/springblade/common/utils/CommonUtil.java
@@ -290,9 +290,17 @@ public class CommonUtil {
 
 	public static String getHaxCodeByLong(String str,int changdu){
 		long time = new Date().getTime();
-		int hashValue = (str+time).hashCode(); // 获取哈希值（32位）
-		// 将32位哈希值转换为6位长度的纯数字形式
+		int hashValue = (str + time).hashCode(); // 获取哈希值（32位）
+
+		// 将32位哈希值转换为纯数字形式
 		String s = Math.abs(hashValue) + "";
+
+		// 检查 changdu 是否超出 s 的长度
+		if (changdu > s.length()) {
+			// 返回整个字符串或根据需求处理
+			return s;
+		}
+
 		String substring = s.substring(0, changdu);
 		return substring;
 	}